class_docstr: A currency identifier, as defined by ISO-4217.
  
  Parameters
  ----------
  code : str
      ISO-4217 code for the currency.
  
  Attributes
  ----------
  code : str
      ISO-4217 currency code for the currency, e.g., 'USD'.
  name : str
      Plain english name for the currency, e.g., 'US Dollar'.
code: def __eq__(self, other):
      if type(self) != type(other):
          return NotImplemented
      return self.code == other.code
  
file_path: zipline/zipline/currency.py
imports: from functools import total_ordering
  from iso4217 import Currency
label_desc: Use image node_id 4 for calling the Currency obj's underlying member method code with example usage: obj.__eq__(other) and returns: unknown, NotImplemented